Category Archives: Insects

Common Ontario Syrphids: ID Sheet Resource

Posted on March 7, 2024 by Cassie Russell

Last week at the nursery growers IPM workshops, we heard from speakers who covered topics related to biological controls in nursery crops and how to ID and promote natural enemies to help with insect pest issues. With that at the … Continue reading →

Posted in Insects, IPM, landscape | Tagged beneficial insects, ecology, flower flies, hover flies, insect ID, ipm in the landscape, natural enemies | Leave a comment

Upcoming IPM workshops: Register now!

Posted on February 13, 2024 by Cassie Russell

Intended audience: Nursery staff, agri-businesses/consultants, and other IPM specialists I’m very happy to announce the return of IPM workshops for nursery crops! Register by filling out the following form: Click here. These half day, in-person only workshops are geared towards … Continue reading →

Posted in Educational Opportunities, Insects, Invasive Species, IPM | Tagged biological control, diagnosing diseases, Integrated pest management, ipm for woody plants, ipm in the nursery, IPM workshops, natural enemies, pests of 2023 | Leave a comment

Recent Spotted Lanternfly Sightings in Ontario

Posted on October 12, 2023 by Cassie Russell

Many of you may have heard rumblings or seen posts on social media about spotted lanternfly (SLF) being sighted in Ontario recently. There have been NO detections of SLF in Canada. A detection is defined as a live spotted lanternfly … Continue reading →

Posted in Insects, Invasive Species, landscape | Tagged CFIA, Invasive species, SLF, SLF ontario, SLF sightings, spotted lanternfly | 1 Comment

ALTUS® insecticide registered for Emergency Use to control spotted lanternfly on outdoor nursery and landscape ornamental plants in Canada

Posted on August 15, 2023 by Cassie Russell

By Josh Mosiondz, Minor Use Coordinator, OMAFRA The Pest Management Regulatory Agency (PMRA) recently announced the approval of a emergency use registration for ALTUS® insecticide for control of spotted lanternfly on ornamental nursery and landscape ornamentals in Canada. Note: Spotted Lanternfly … Continue reading →

Posted in Insects, Invasive Species, IPM | Tagged altus, emergency use, invasive species IPM, SLF, spotted lanternfly | Leave a comment

August 10: Pest Update

Posted on August 10, 2023 by Cassie Russell

Well the summer feels like it’s flown by and somehow we are already into the second week of August. I saw that a garden center the other day had out a crop of early flowering chrysanthemums and that was quite … Continue reading →

Posted in Diseases, Insects, Invasive Species, IPM, landscape, Weekly Nursery Landscape Report | Tagged August pests, BTM, Invasive species, IPM, JB, leaf spot, monitoring, overwatering, pest report, root rot, scouting in the nursery, SLF, TSSM | 1 Comment

Box Tree Moth Pheromone Lures: time to replace?

Posted on August 1, 2023 by Cassie Russell

If you’re using pheromone traps to monitor for box tree moth this season, it might be time to change your lures. If you are using the gel/syringe lures that last 3 months and you set the traps up the first … Continue reading →

Posted in Insects, Invasive Species, IPM | Tagged box tree moth, boxwood, BTM, monitoring, pheromone lures | 4 Comments

Box Tree Moth: Time to start treating the second generation

Posted on July 17, 2023 by Cassie Russell

Early instar box tree moth larvae have started to be found on boxwood shrubs in Ontario; mainly in the GTA and Niagara region. This is the start of the second generation. Now is the time to inspect your boxwoods again … Continue reading →

Posted in Arboriculture, Insects, Invasive Species, IPM, landscape | Tagged box tree moth, boxwood, BTM, btm larvae, buxus, IPM, ipm in the landscape, second generation, treat btm | 3 Comments

Pest Update: July 13

Posted on July 13, 2023 by Cassie Russell

In this post: The planet saw its hottest day on record already this month, and experts say we could set more records. On Monday July 3rd, the average global temperature reached 17.01˚C. On Tuesday the 4th, the average global temperature … Continue reading →

Posted in Insects, Invasive Species, IPM, Weekly Nursery Landscape Report | Tagged biofungicides, black vine weevil, box tree moth, BTM, IPM, ipm in the nursery, japanese beetle, nursery crops, pest update, Pheromone traps, PLH, potato leafhopper, powdery mildew, strawberry root weevil | 1 Comment

Japanese Beetles Have Started To Emerge

Posted on June 27, 2023 by Cassie Russell

Back by not so popular demand, Japanese Beetle (Popillia japonica) adults are starting to emerge and take flight in southern Ontario! We caught our first adults in pheromone traps this weekend in Guelph.

Posted in Insects, Invasive Species, IPM, landscape | Tagged beetles, japanese beetle, JB, JB adults, JB emergence, JB infographic, white grubs | 2 Comments

Box tree moth update/ DeltaGard Insecticide renewed for use against BTM in Ontario

Posted on June 26, 2023 by Cassie Russell

The Emergency Use Registration (EUR) for DeltaGard on box tree moth has been renewed for another year effective until June 23, 2024. This EUR only applies to commercial facilities in Ontario growing boxwood outdoors. Big thank you to the OMAFRA … Continue reading →

Posted in Insects, Invasive Species, IPM, landscape | Tagged boxtree moth, boxwood, BTM, BTM adults, deltagard, emergency use, IPM, Pheromone traps | Leave a comment